| Fervour Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Inhouse Employer | West | In-House | OM | SSS | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | Central | School | Security Mgt | SSS | Sengkang |
| Dragnet Smartech Security Pte Ltd | Central | - | Security Mgt | SSS | Sengkang |
| Inhouse Employer | Central | Mix-Development | Security Mgt | SSS | Sengkang |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Toa Payoh |
| Soverus Pte Ltd | Central | Data Centre | SSS | SSS | Yishun |
| Crowne Plaza Changi Airport | East | In-House | OE | SSS | Bedok |
| Crowne Plaza Changi Airport | East | Hotel | Security Mgt | SSS | Dakota |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| G4S Secure Solutions (Singapore) Pte Ltd | Island Wide | - | OE | SSS | Sengkang |
| Peregrine Security Pte. Ltd. | Island Wide | - | OE | SSS | Sengkang |
| Fervour Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Securus Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| SMS Investigation & Security Pte Ltd | Central | - | OM | SSS | Sengkang |
| Triple ‘S’ Protection Pte Ltd | Island Wide | - | OM | SSS | Sengkang |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SSS | SSS | Sengkang |
| Premier Security Co-operative Ltd | Central | Healthcare | SSS | SSS | Yishun |
| Premier Security Co-operative Ltd | Central | Healthcare | SSS | SSS | Tampines |
| Reachfield Security & Safety Management Pte Ltd | Island Wide | - | SSS | SSS | Admiralty |
| Kingston Property Maintenance Services Pte Ltd | Central | Mix-Development | SS | SSS | Pasir Ris |
